Thread: postmaster memory keep going up????

postmaster memory keep going up????

From
"Chun Yit(Chronos)"
Date:
>I have a pl/pgsql function that using temp table to perform searching logic,
>we have one server running on 512MB, Red Hat 9.0, postgresql-7.4.5.
>the problem is the pl/pgsql function that i created will increase postmaster memory when calling to function
>become more frequent, i did a test by getting out all the logic inside the function and what left only
>create temporary table and drop the temporary table statement (at the end if this function), i monitor the %mem for postmaster
>using linux command, ps -eo pid,comm,user,%mem | grep postmaster.
>when i start the postmaster, the %mem show only 2.0 something, but after i run the function for more that 1000 time, then
>the %mem will go up until 10.0 something.
>my question is,it is postmaster have memory leaking problem?
>hope someone can give me some help and best is how to identify the problem it is come from postgresql?
>
>thanks
>regards
>ivan

Re: postmaster memory keep going up????

From
Richard Huxton
Date:
Chun Yit(Chronos) wrote:
>>I have a pl/pgsql function that using temp table to perform searching logic,

>>my question is,it is postmaster have memory leaking problem?

First step - upgrade to the latest 7.4.x release.

Second step - read the "release notes" section of the manuals for 7.4.x
and 8.0.x and see what it says about memory and plpgsql.

--
  Richard Huxton
  Archonet Ltd